How to fix the Oracle error ORA-26566: Couldn’t open connect to string?

In this post, you’ll learn more about the Oracle ErrorORA-26566: Couldn’t open connect to string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-26566: Couldn’t open connect to string

Reason for the Error ORA-26566: Couldn’t open connect to string

Failed to open connection using given dblink

How to fix the Error ORA-26566: Couldn’t open connect to string ?

You can fix this error in Oracle by following the below steps

Make sure that the dblink is valid and remote m/c is up.

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